Question
Biology Question on Applications of Biotechnology
Plasmid has been used as vector because
A
it is circular DNA which have capacity to join to eukaryotic DNA
B
it can move between prokaryotic and eukaryotic cells
C
both ends show replication
D
it has antibiotic resistance gene.
Answer
it is circular DNA which have capacity to join to eukaryotic DNA
Explanation
Solution
Plasmids are the extrachromosomal, self- replicating and double stranded closed and circular DNA molecules present in the bacterial cell. Plasmids contain sufficient genetic informations for their own replication. Plasmids are used as vectors because they can carry a foreign DNA fragment when inserted into it.